CVE-2018-12247

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).

Score

CVSS 3.0 7.5 High

Status

Modified - cve@mitre.org

Published

2018-06-12

Last modified

2024-09-16

Weaknesses

CWE-476

Affected products

• Mruby (Mruby)

References

• https://github.com/mruby/mruby/commit/55edae0226409de25e59922807cb09acb45731a2
• https://github.com/mruby/mruby/issues/4036